Trajectory plots

## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-06-27 to
## 2021-06-27 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-06-28 to
## 2021-06-28 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-06-27 to
## 2021-06-27 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-06-28 to
## 2021-06-28 in geography '*': no results